The term "Family Pertusariaceae" refers to a group of fungi that belong to the order Pertusariales. The family includes approximately 200 species, which are found in various habitats across the world. Synonyms for this family include Pertusariaceae s.str., Pertusarialean fungi, Pertusaria-like lichens, and Pertusarioid fungi. Some notable genera within the family include Ochrolechia, Porpidia, and Pertusaria. These fungi can be identified by the presence of black or brown apothecia on their surfaces. The fungi in this family play an important role in ecology by serving as food sources for herbivores in various ecosystems.